So, if you take a long rope with potent explosive material lined up and bring that to explosion you create a row of connected holes that do have barriers and increase the water path depth, but a lot of mud is flying around.
...And you want to hide the Cocain for electric ignition from TheGermans as much as the fertilizer used for vegetational barrier security and fixation.
Sorry, they are up for bad surprises like if it's seriously stupid they will most likely give it a try.
#desole #noblessoblige